SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 1.9 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 SHIYAN 27C
1 63601U 25078C 26032.96322473 .00000027 00000-0 99505-4 0 9998
2 63601 99.6939 42.2664 0000725 84.2547 275.8674 13.57237479 39190Epoch: 2026-02-01T23:07Z
TLE epoch observation values (Epoch: 2026-02-01T23:07:02.616Z)
Latitude
-0.00003°
Longitude
-76.65982°
Altitude
1,048.489 km
Speed
7.328 km/s
True Right ascension
02h 49m 03s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
12:31:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.578 km
Perigee altitude
1,042.502 km
Semi-major axis
7,421.177 km
Eccentricity
0.00007
Inclination
99.6939°
RAAN
42.2664°
Arg. of periapsis
84.2547°
True anomaly
275.85914°
Mean anomaly
275.8674°
Eccentric anomaly
275.86327°
Mean motion
3.39495 °/min
Orbital period
106.04 mins
BSTAR
0.000099505
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-02-02 12:07:56.324Z | 50.415° ENE | 2026-02-02 12:11:56.324Z | 93.059° ESE | 19.889° | 2026-02-02 12:15:56.324Z | 135.681° SSE |
| 11 mins | 2026-02-02 13:51:56.324Z | 4.932° NNE | 2026-02-02 13:56:56.324Z | 288.995° WNW | 41.273° | 2026-02-02 14:02:56.324Z | 211.623° SW |
| 11 mins | 2026-02-02 23:59:56.324Z | 147.934° SSE | 2026-02-03 00:05:56.324Z | 51.01° ENE | 41.062° | 2026-02-03 00:10:56.324Z | 353.762° N |
| 8 mins | 2026-02-03 01:46:56.324Z | 228.085° WSW | 2026-02-03 01:50:56.324Z | 272.557° WNW | 19.544° | 2026-02-03 01:54:56.324Z | 312.606° NW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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